diff options
| author | Ondrej Čerman <ondrej.cerman@gmail.com> | 2019-06-19 22:32:31 +0200 |
|---|---|---|
| committer | Leandro A. F. Pereira <leandro@hardinfo.org> | 2019-06-19 15:39:39 -0700 |
| commit | b89aa537b49ab1d6cfb18bcb02287318e8d9c059 (patch) | |
| tree | b9c073bcb4a3c45ee50f4736fd498429b36e7971 /modules/devices | |
| parent | d33b55214aa14269e26e4f034c23b411fcf7f41e (diff) | |
devices/spd: FIX DDR3 Module size
Diffstat (limited to 'modules/devices')
| -rw-r--r-- | modules/devices/spd-decode.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/modules/devices/spd-decode.c b/modules/devices/spd-decode.c index ae304a4f..c734ea63 100644 --- a/modules/devices/spd-decode.c +++ b/modules/devices/spd-decode.c @@ -1266,7 +1266,12 @@ static void decode_ddr3_module_speed(unsigned char *bytes, float *ddr_clock, int } static void decode_ddr3_module_size(unsigned char *bytes, int *size) { - *size = 512 << bytes[4]; + unsigned int sdr_capacity = 256 << (bytes[4] & 0xF); + unsigned int sdr_width = 4 << (bytes[7] & 0x7); + unsigned int bus_width = 8 << (bytes[8] & 0x7); + unsigned int ranks = 1 + ((bytes[7] >> 3) & 0x7); + + *size = sdr_capacity / 8 * bus_width / sdr_width * ranks; } static void decode_ddr3_module_timings(unsigned char *bytes, float *trcd, float *trp, float *tras, |